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All results from a given calculation for CH3NH2 (methyl amine)

using model chemistry: PBE1PBE/6-31G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at PBE1PBE/6-31G**
 hartrees
Energy at 0K-95.732330
Energy at 298.15K 
HF Energy-95.732330
Nuclear repulsion energy42.060190
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at PBE1PBE/6-31G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3523 3357 1.03 103.44 0.12 0.21
2 A' 3107 2961 39.43 87.69 0.28 0.44
3 A' 2997 2857 96.66 126.48 0.17 0.30
4 A' 1711 1631 24.92 10.51 0.68 0.81
5 A' 1528 1457 8.62 23.87 0.70 0.82
6 A' 1484 1415 2.24 8.87 0.65 0.79
7 A' 1196 1140 7.38 4.79 0.49 0.66
8 A' 1104 1052 9.95 8.06 0.33 0.49
9 A' 878 837 178.69 5.42 0.62 0.76
10 A" 3612 3443 0.00 63.48 0.75 0.86
11 A" 3151 3003 31.40 70.96 0.75 0.86
12 A" 1547 1475 2.72 22.90 0.75 0.86
13 A" 1374 1310 0.21 3.79 0.75 0.86
14 A" 990 944 0.05 0.54 0.75 0.86
15 A" 336 320 47.73 2.16 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 14269.2 cm-1
Scaled (by 0.9531) Zero Point Vibrational Energy (zpe) 13599.9 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at PBE1PBE/6-31G**
ABC
3.43915 0.76596 0.73669

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/6-31G**

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.051 0.699 0.000
N2 0.051 -0.756 0.000
H3 -0.942 1.181 0.000
H4 0.594 1.059 0.880
H5 0.594 1.059 -0.880
H6 -0.455 -1.100 -0.811
H7 -0.455 -1.100 0.811

Atom - Atom Distances (Å)
  C1 N2 H3 H4 H5 H6 H7
C11.45491.10421.09521.09522.03702.0370
N21.45492.17712.08902.08901.01591.0159
H31.10422.17711.77501.77502.46982.4698
H41.09522.08901.77501.76042.93632.4012
H51.09522.08901.77501.76042.40122.9363
H62.03701.01592.46982.93632.40121.6225
H72.03701.01592.46982.40122.93631.6225

picture of methyl amine state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 H6 109.789 C1 N2 H7 109.789
N2 C1 H3 115.907 N2 C1 H4 109.195
N2 C1 H5 109.195 H3 C1 H4 107.611
H3 C1 H5 107.611 H4 C1 H5 106.957
H6 N2 H7 105.982
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.386      
2 N -0.748      
3 H 0.145      
4 H 0.179      
5 H 0.179      
6 H 0.316      
7 H 0.316      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.454 0.337 0.000 1.493
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -14.657 2.284 0.000
y 2.284 -14.007 0.000
z 0.000 0.000 -12.399
Traceless
 xyz
x -1.454 2.284 0.000
y 2.284 -0.479 0.000
z 0.000 0.000 1.932
Polar
3z2-r23.865
x2-y2-0.650
xy2.284
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.473 0.139 0.000
y 0.139 3.079 0.000
z 0.000 0.000 2.855


<r2> (average value of r2) Å2
<r2> 26.446
(<r2>)1/2 5.143